The measure error is main bringed by both weight change of steel wire and emplastic resistanceofmedium.
测量误差主要由钢丝重量变化和介质黏性阻力产生。
2
Effect of residual austenite on mechanical properties and abrasion resistanceofmedium Mn white cast iron was investigated.
研究了残余奥氏体对中锰白口铸铁力学性能和抗磨性的影响。
3
If the electron flow takes place in a vacuum, as in the case of electronic valve, the electrons will travel at considerable speed, since little resistance is offered the medium.